AMC3 ATM/ANS.OR.C.005(a)(2) Safety support assessment and assurance of changes to the functional system

• ED Decision 2017/001/R found in: ATM/ANS Provision of Services (2017/373) (Mar 2025)

AMC3 ATM/ANS.OR.C.005(a)(2) Safety support assessment and assurance of changes to the functional system ED Decision 2017/001/R DETERMINATION OF THE SPECIFICATION OF THE CHANGED SERVICE When determining the changes in the service specification that have resulted from the change to the functional system, service providers other than air traffic services providers should ensure that: (a) the properties specified for the service can be observed and measured either directly or indirectly with a degree of certainty commensurate with the level of confidence sought from assurance; and (b) the specification of the changed service must cover everything that has changed in the service provided when operated within the declared operational context. AMC3 ATM/ANS.OR.C.005(a)(2) Safety support assessment and assurance of changes to the functional system ED Decision 2017/001/R DETERMINATION OF THE SPECIFICATION OF THE CHANGED SERVICE When determining the changes in the service specification that have resulted from the change to the functional system, service providers other than air traffic services providers should ensure that: (a)       the properties specified for the service can be observed and measured either directly or indirectly with a degree of certainty commensurate with the level of confidence sought from assurance; and (b)       the specification of the changed service must cover everything that has changed in the service provided when operated within the declared operational context.